using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Dapr.Client;
using GB5Shared.DaprCache;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.QueryExecutor;
using GB5Shared.Validation;
using PayRollDAL.CustomeCode.VisitorPass;
using PayRollDAL.DTO.VisitorPass;

namespace PayRollBLL.VisitorPass
{
    public class VisitorPassBLL : IVisitorPassBLL
    {
        private readonly IVisitorPassDAL _VisitorPassDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;
        private readonly IQueryExecutor _QueryExecutor;
        private readonly VoucherNumberService _voucherNumberService;

        public VisitorPassBLL(IVisitorPassDAL IVisitorPassDAL, AutoNumber AutoNumber, IValidation Validation, IQueryExecutor QueryExecutor, VoucherNumberService voucherNumberService)
        {
            _VisitorPassDAL = IVisitorPassDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
            _QueryExecutor = QueryExecutor;
            _voucherNumberService = voucherNumberService;
        }

        public async Task<string> GetVisitorPass(int VisitorPassId, LoginDTO LoginDTO)
        {
            try
            {
                return await _VisitorPassDAL.GetVisitorPass(VisitorPassId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListVisitorPass(int FirstNumber, int MaxResult, int ShowCompleted, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _VisitorPassDAL.GetSelectListVisitorPass(FirstNumber, MaxResult, ShowCompleted, CriteriaDTO, LoginDTO);
            }
            catch (Exception ex)
            {
                throw new Exception("Error in GetSelectListVisitorPass", ex);
            }
        }

        public async Task<string> SaveVisitorPass(VisitorPassDTO VisitorPassDTO, LoginDTO LoginDTO)
        {
            if (VisitorPassDTO == null) throw new ArgumentNullException(nameof(VisitorPassDTO));
            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                //await _Validation.NotEmpty(VisitorPassDTO.VisitorPassPassNumber, nameof(VisitorPassDTO.VisitorPassPassNumber));
                VisitorPassDTO.VisitorPassModifiedById = LoginDTO.UserId;
                VisitorPassDTO.VisitorPassModifiedOn = DateTime.UtcNow;

                if (VisitorPassDTO.VisitorPassId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(1, "VISITORPASS", LoginDTO);
                    VisitorPassDTO.VisitorPassId = autoNumberDTO.StartNumber;
                    string? passNumber = await _voucherNumberService.GetNextVoucherNumberAsync(VisitorPassDTO.BIZTransactionTypeId, VisitorPassDTO.VisitorPassPassDate, LoginDTO, transaction: null);
                    if (passNumber != null)
                        VisitorPassDTO.VisitorPassPassNumber = passNumber;
                    VisitorPassDTO.VisitorPassCreatedById = LoginDTO.UserId;
                    VisitorPassDTO.VisitorPassCreatedOn = DateTime.UtcNow;

                    //int childId = VisitorPassDTO.VisitorPassId + 1;
                    int minDetailId = await _VisitorPassDAL.GetMinVisitorPassDetailId(LoginDTO);
                    minDetailId--;
                    int minPunchId = await _VisitorPassDAL.GetMinVisitorPunchId(LoginDTO);
                    minPunchId--;

                    if (VisitorPassDTO.VisitorPassDetailArray != null)
                    {
                        foreach (var detail in VisitorPassDTO.VisitorPassDetailArray)
                        {
                            detail.VisitorPassDetailId = minDetailId--;
                            detail.VisitorPassId = VisitorPassDTO.VisitorPassId;
                        }
                    }

                    if (VisitorPassDTO.VisitorPunchArray != null)
                    {
                        foreach (var punch in VisitorPassDTO.VisitorPunchArray)
                        {
                            punch.VisitorPunchId = minPunchId--;
                            punch.VisitorPassId = VisitorPassDTO.VisitorPassId;
                        }
                    }

                    await _VisitorPassDAL.SaveVisitorPass(VisitorPassDTO, LoginDTO);
                    return $"VisitorPass saved successfully with PassNumber {VisitorPassDTO.VisitorPassPassNumber}.";
                }
                else
                {
                    int childId = VisitorPassDTO.VisitorPassId + 1;

                    if (VisitorPassDTO.VisitorPassDetailArray != null)
                    {
                        foreach (var detail in VisitorPassDTO.VisitorPassDetailArray)
                        {
                            if (detail.VisitorPassDetailId == 0)
                            {
                                detail.VisitorPassDetailId = childId++;
                                detail.VisitorPassId = VisitorPassDTO.VisitorPassId;
                            }
                        }
                    }

                    if (VisitorPassDTO.VisitorPunchArray != null)
                    {
                        foreach (var punch in VisitorPassDTO.VisitorPunchArray)
                        {
                            if (punch.VisitorPunchId == 0)
                            {
                                punch.VisitorPunchId = childId++;
                                punch.VisitorPassId = VisitorPassDTO.VisitorPassId;
                            }
                        }
                    }

                    await _VisitorPassDAL.UpdateVisitorPass(VisitorPassDTO, LoginDTO);
                    return $"VisitorPass updated successfully with PassNumber {VisitorPassDTO.VisitorPassPassNumber}.";
                }
            }
            catch
            {
                if (autoNumberDTO != null && VisitorPassDTO.VisitorPassId > 0)
                {
                    await _AutoNumber.RollbackAutoNumber("VISITORPASS", VisitorPassDTO.VisitorPassId, LoginDTO);
                }

                throw;
            }
        }

        public async Task<string> DeleteVisitorPass(int VisitorPassId, LoginDTO LoginDTO)
        {
            try
            {
                return await _VisitorPassDAL.DeleteVisitorPass(VisitorPassId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}